PH-803W application software and application software installation video, only monitoring software is Android system, currently there is no Apple terminal, if necessary, please contact me, provide your email, I will send the software from the application and application software for you to install the video to help you install, link to your phone, and use the product. PH-803W Internet of Things PH and ORP Controller: PH-803W is a new wifi digital monitoring acid-base and redox controller that can measure and display pH value and redox value(ORP) at the same time. It has 2 BNC electrodes (pH and redox) and 2 output sockets. It has a fast response speed and easy pH calibration. Both electrodes are detachable and can be easily replaced at any time without the need to purchase and replace the entire device. At the same time, it controls other pH and ORP related equipment to adjust the pH and redox value in the liquid. Accurately, easily and automatically monitor and control pH and ORP values and other pH and ORP related control equipment. Through strict quality certification and safety standard, it can guarantee reliability, stability, long service life and trouble-free, And it is easy to carry, using the dead zone protection function when using or installing the unit, you can choose to mount it on the wall or hang it in a solution container. The product types are: 110 V and 220 V.